diff --git a/paddle/operators/recv_op.cc b/paddle/operators/recv_op.cc
index e3c86966b8a7ca4d3ac24c1448ea0669313d3336..381890d30bbce42dce337dd670966b0800f4bc3c 100644
--- a/paddle/operators/recv_op.cc
+++ b/paddle/operators/recv_op.cc
@@ -161,7 +161,6 @@ class RecvOpMaker : public framework::OpProtoAndCheckerMaker {
  public:
   RecvOpMaker(OpProto *proto, OpAttrChecker *op_checker)
       : OpProtoAndCheckerMaker(proto, op_checker) {
-    // AddInput("RX", "(Tensor) Input tensor to be optimized").AsDuplicable();
     AddComment(R"DOC(
 Recv operator